Base | Representation |
---|---|
bin | 110011001111… |
… | …000001011111 |
3 | 221021100200222 |
4 | 303033001133 |
5 | 11414242004 |
6 | 1155511555 |
7 | 222106040 |
oct | 63170137 |
9 | 27240628 |
10 | 13430879 |
11 | 7643900 |
12 | 45b85bb |
13 | 2a23387 |
14 | 1ad88c7 |
15 | 12a47be |
hex | ccf05f |
13430879 has 24 divisors (see below), whose sum is σ = 17147424. Its totient is φ = 10296000.
The previous prime is 13430849. The next prime is 13430881. The reversal of 13430879 is 97803431.
It is not a de Polignac number, because 13430879 - 212 = 13426783 is a prime.
It is a zygodrome in base 6.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13430839) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85469 + ... + 85625.
It is an arithmetic number, because the mean of its divisors is an integer number (714476).
Almost surely, 213430879 is an apocalyptic number.
13430879 is a deficient number, since it is larger than the sum of its proper divisors (3716545).
13430879 is a wasteful number, since it uses less digits than its factorization.
13430879 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287 (or 276 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 35.
The square root of 13430879 is about 3664.8163664773. The cubic root of 13430879 is about 237.7030817009.
It can be divided in two parts, 134 and 30879, that added together give a palindrome (31013).
The spelling of 13430879 in words is "thirteen million, four hundred thirty thousand, eight hundred seventy-nine".
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